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Aphasia
Language impairment
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Broca's area
- Fluent speech, motor speech
- In left frontal lobe
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Angular gyrus
- Transforms visual to audio
- Both sides of parietal lobe
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Visual cortex
- Receives visual info
- Corner of occipital lobe
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Wernicke's area
- Auditory, comprehension
- Left of temporal lobe
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Motor cortex
- By central fissure
- Frontal lobe
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Sensory cortex
- By central fissure
- Parietal lobe
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Left hemisphere
- Language
- Verbal
- Reasoning
- Planning
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Right hemisphere
- Copying drawings
- Global picture
- Recognizing faces
- Perceiving differences
- Perceiving emotions
- Melodies
- Modulates different ways of saying something
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Biological psychology
Branch concerning biology and behavior
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Neuron
- Nerve cell
- Basic building block
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Dendrite
Branches that receive msgs and take to cell body
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Axon
Extensions of neuron, msgs to other neurons/muscles/glands
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Myelin sheath
- Fatty tissue speeds up impulses
- Encases fibers
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Action potential
- Neural impulse down an axon
- Generated by movement IDF positively charged atoms in and out of axon membrane
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Threshold
Level of stimulation required to trigger a neutral impulse
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Medulla
- Base of brainstem
- Heartbeat and breathing
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Brain stem
- Primal needs
- Where spine swells as it enters skull
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Thalamus
- Sensory switchboard
- Top of brain stem
- Msgs to sensory cortex
- Msgs back to cerebellum and medulla
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Cerebellum
- Voluntary movement
- Balance
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Limbic system
- Emotions
- Hippocampus
- Amygdala
- Hypothalamus
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Hypothalamus
- Eating, drinking
- Homeostasis, endocrine
- Controls pituitary
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Amygdala
Aggression, fear
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Cerebral cortex
- Intricate fabric of neural cells that covers both hemispheres
- Ultimate control and info processing center
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Glial cells
Nanny cells for neurons
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Corpus callosum
Axon fibers connecting two hemispheres
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Split brain
Hemispheres isolated
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